the fbi is trying to find out who pilfered that piece. >>> and the pet cemetery in a new york city suburb has become the first animal burial ground to be listed on the national register of historic places. the hartsdale cemetery is being recognized for its architect and social history. those are your top five headlines. >>> president obama and mitt romney will finally be facing each other in an arena that has seen some of the best and worst performances from our presidential candidates and their running mates. >> there is no soviet domination of eastern europe and there never will be under a ford administration. >> there you go again. are you better off than you were four years ago? >> senator, you're no jack kennedy. >> who am i? why am i here? >> that last one went on to "snl" infamy. joining me is nbc news historian and author michael, in the eyes of the voters what is it that wins the debate? is it one great line some of which we just played or a steady argument for your positions? >> a great line can help. for instance, almost anyone who will stop watching that debate between reagan